package com.zzyl.serve.service.impl;

import java.util.List;

import cn.hutool.core.collection.CollectionUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.zzyl.common.core.redis.RedisCache;
import com.zzyl.common.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import com.zzyl.serve.mapper.NursingLevelMapper;
import com.zzyl.serve.domain.NursingLevel;
import com.zzyl.serve.service.INursingLevelService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import java.util.Arrays;

/**
 * 护理等级Service业务层处理
 * 
 * @author ruoyi
 * @date 2024-10-04
 */
@Service
public class NursingLevelServiceImpl extends ServiceImpl<NursingLevelMapper, NursingLevel> implements INursingLevelService
{
    @Autowired
    private NursingLevelMapper nursingLevelMapper;

    @Autowired
//    private RedisTemplate<Object,Object> redisTemplate;
    private RedisCache redisCache;
    //定义redis缓存所有护理等级的key
    private final static String CACHE_NURSING_LEVEL = "nursingLevel:all";
    //key中有“:”便于redis查找数据，有类似路径效果

    /**
     * 查询护理等级
     * 
     * @param id 护理等级主键
     * @return 护理等级
     */
    @Override
    public NursingLevel selectNursingLevelById(Long id)
    {
        return getById(id);
    }

    /**
     * 查询护理等级列表
     * 
     * @param nursingLevel 护理等级
     * @return 护理等级
     */
    @Override
    public List<NursingLevel> selectNursingLevelList(NursingLevel nursingLevel)
    {
        return nursingLevelMapper.selectNursingLevelList(nursingLevel);
    }

    /**
     * 新增护理等级
     * 
     * @param nursingLevel 护理等级
     * @return 结果
     */
    @Override
    public int insertNursingLevel(NursingLevel nursingLevel)
    {
        int flag = nursingLevelMapper.insertNursingLevel(nursingLevel);
        // 删除缓存
        deleteCache();
        return flag;
    }

    private void deleteCache(){
//        redisTemplate.delete(CACHE_NURSING_LEVEL);
        redisCache.deleteObject(CACHE_NURSING_LEVEL);
    }

    /**
     * 修改护理等级
     * 
     * @param nursingLevel 护理等级
     * @return 结果
     */
    @Override
    public int updateNursingLevel(NursingLevel nursingLevel)
    {
        // 删除缓存
        deleteCache();
        return updateById(nursingLevel) ? 1 : 0;
    }

    /**
     * 批量删除护理等级
     * 
     * @param ids 需要删除的护理等级主键
     * @return 结果
     */
    @Override
    public int deleteNursingLevelByIds(Long[] ids)
    {
        // 删除缓存
        deleteCache();
        return removeByIds(Arrays.asList(ids)) ? 1 : 0;
    }

    /**
     * 删除护理等级信息
     * 
     * @param id 护理等级主键
     * @return 结果
     */
    @Override
    public int deleteNursingLevelById(Long id)
    {
        // 删除缓存
        deleteCache();
        return removeById(id) ? 1 : 0;
    }

    /**
     * 查询所有护理等级
     *
     * @return 护理等级列表
     */
    @Override
    public List<NursingLevel> listAll() {
        // 1.先查询缓存数据所有护理等级
//        List<NursingLevel> nursingLevelList = (List<NursingLevel>) redisTemplate.opsForValue().get(CACHE_NURSING_LEVEL);
        List<NursingLevel> nursingLevelList = redisCache.getCacheObject(CACHE_NURSING_LEVEL);

        // 2.判断查询的缓存数据是否有效，如果有效直接返回
        if(CollectionUtil.isNotEmpty(nursingLevelList)){
            return nursingLevelList;
        }

        // 3.如果缓存数据无效，执行数据库操作查询所有启用的等级
        LambdaQueryWrapper<NursingLevel> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(NursingLevel::getStatus, 1);
        nursingLevelList =list(queryWrapper);
        // 4.将数据库查到的所有等级写入缓存
//        redisTemplate.opsForValue().set(CACHE_NURSING_LEVEL,nursingLevelList);
        redisCache.setCacheObject(CACHE_NURSING_LEVEL,nursingLevelList);

        // 5.返回数据
        return nursingLevelList;
    }

}
